There are many different types of mental illness, but those listed here are some of the most common. Click on the links to find out more:
Low mood
Crying a lot
Feeling tired all the time
Poor motivation
Having too many thoughts in your head
You mind running at 100 miles an hour
Poor sleep
Spending too much money
Not looking after yourself
Hearing voices
Seeing things that other people can't
Having odd thoughts or ideas that other people don't
Feeling paranoid
Thinking other people are talking about you
Having rituals/routines that have to be done
Doing things repetitively
Friends thinking your behaviour is odd
Having obsessive thoughts
Thoughts and routines interfere with your day-to-day life
If you are worried about these or any other mental health problems that are not mentioned here, speak to your GP, or someone from your school/college/University/place of work.
See Asking For Help or Further Information for more.